CTS RWD V6-3.6L (2008)
5. Remove the exhaust manifold and discard the exhaust manifold gasket.
6. Clean and inspect the exhaust manifold. Refer to Exhaust Manifold Cleaning and Inspection - Left Side (See: Engine/Service and Repair/Overhaul
)
Installation Procedure
Important: Inspect the catalytic converter seal/heat shield sealing surface. Replace the seal/heat shield if the sealing surface is worn or
damaged.
1. Install the catalytic converter seal/heat shield to the catalytic converter.
2. Install a NEW exhaust manifold gasket to the exhaust manifold.
3. Install the exhaust manifold with the gasket to the catalytic converter and the cylinder head.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice) .
4. Install the exhaust manifold bolts.
Tighten the exhaust manifold bolts to 20 N.m (15 lb ft).
5. Install the catalytic converter nuts.
